000 00480nam a2200169Ia 4500
008 190516s9999 xx 000 0 und d
020 _a9789352621651
028 _bSapna Book House
_c3513
_d25/02/2017
100 _aArora, Mohan P.
_9112899
245 0 _aEcology
260 _bHimalaya Publishing House
_c1990
_aNew Delhi
300 _a540
600 _tEnvironmental Science
_9112900
650 _aEnvironmental Science
_9112900
942 _cBK
999 _c102108
_d102108